260388520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40433}}^1$

素因数の和:40474

約数の個数: 64

約数和(自身を含む): 698699520

約数和(自身を除く): 438311000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 40433, 80866, 161732, 202165, 283031, 323464, 404330, 566062, 808660, 929959, 1132124, 1415155, 1617320, 1859918, 2264248, 2830310, 3719836, 4649795, 5660620, 6509713, 7439672, 9299590, 11321240, 13019426, 18599180, 26038852, 32548565, 37198360, 52077704, 65097130, 130194260, 260388520]

約数ペア:

[(1, 260388520), (2, 130194260), (4, 65097130), (5, 52077704), (7, 37198360), (8, 32548565), (10, 26038852), (14, 18599180), (20, 13019426), (23, 11321240), (28, 9299590), (35, 7439672), (40, 6509713), (46, 5660620), (56, 4649795), (70, 3719836), (92, 2830310), (115, 2264248), (140, 1859918), (161, 1617320), (184, 1415155), (230, 1132124), (280, 929959), (322, 808660), (460, 566062), (644, 404330), (805, 323464), (920, 283031), (1288, 202165), (1610, 161732), (3220, 80866), (6440, 40433)]